Joist hanger



FIG. 1 is a perspective view of a joist hanger showing my new design;

FIG. 2 is a left-side elevation thereof;

FIG. 3 is a right-side elevation thereof;

FIG. 4 is a front elevation thereof, the rear being the same in appearance;

FIG. 5 is a top plan thereof; and,

FIG. 6 is a bottom plan thereof. 

CLAIM The ornamental design for a joist hanger, as shown and described. 